|Year|Title|Label|UK Singles Chart|U.S. Billboard Hot 100 Chart|
|---|---|---|---|---|
|1969|"Melting Pot"|Philips|3|-|
|1970|"Good Morning Freedom"|Philips|10|-|
|1970|"Our World"|Philips|17|64|
|1971|"The Banner Man"|Regal Zonophone|3|-|
|1972|"Stay with Me"|Regal Zonophone|11|-|
|1973|"By the Devil (I Was Tempted)"|EMI|26|-|
|1973|"Randy"|EMI|9|-|

Question: what is the total number of years for singles by philips label?
Answer: 3